To create an access rule:
1.On the Firewall > Access Rules page in the matrix view, click the arrow connecting the two zones that need a rule.
2.On the Access Rules page, click Add.
The access rules are sorted from the most specific at the top to the least specific at the bottom of the table. At the bottom of the table is the Any rule.
3.In the Add Rule page in the General tab, select Allow Deny Discard from the Action list to permit or block IP traffic.